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Briefly explain Immunoglobulin IgG

Briefly explain Immunoglobulin IgG?

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a) This is the main serum Ig having 75 percent of the net serum immunoglobulin concentration.

b) This has a molecular weight of around150,000 Daltons and sedimentation coefficient will be seven.

c) Its half-life is around 23 days.

d) This is the Ig, which is usually transported across placenta and gives natural passive immunity to new-born.

e) This participates in immunological reactions like precipitation, compliment fixation, and neutralization of viruses and toxins.

f) This is secreted in big amounts throughout secondary immune response.

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